APA-Zitierstil (7. Ausg.)

Friedman, T. L. (2006). The world is flat: A brief history of the twenty-first century (Updated and expanded ed.). Farrar, Straus and Giroux.

Chicago-Zitierstil (17. Ausg.)

Friedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. Updated and expanded ed. New York: Farrar, Straus and Giroux, 2006.

MLA-Zitierstil (9. Ausg.)

Friedman, Thomas L. The World Is Flat: A Brief History of the Twenty-first Century. Updated and expanded ed. Farrar, Straus and Giroux, 2006.